Pontiac G8 P0332: Knock Sensor 2 → Low input (Bank 2)

P0332 is a powertrain related OBD-II trouble code. It has the same meaning for the Pontiac G8 as it would any other vehicle. By definition, P0332 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range from the knock sensor (Sensor 2 | Bank 2). Clearing this code … Read more

Pontiac G8 P0327: Knock Sensor → Low input

  P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Pontiac G8 as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting … Read more

Pontiac G8: Door Ajar Warning Stays On

  Your Pontiac G8’s door ajar message can help you get a door all the way closed when you otherwise wouldn’t notice when it was open.  Over the life of the vehicle, it is possible for the door ajar warning to stay on even when the doors are, in fact, not ajar.   The door … Read more

Pontiac G8 Transmission Overheating: Symptoms + Causes

Overheating is the worst thing that can happen to your Pontiac G8’s transmission.  An overheating transmission will drastically shorten its service life.  If you suspect that your transmission is overheating, doing something about it now can keep you from an expensive transmission repair later.  Low transmission fluid is the number one cause of an overheating … Read more

Pontiac G8 Transmission Overheating: Causes and Diagnosis

Transmissions are an integral part of any vehicle, and overheating can lead to costly repairs or even permanent damage. Pontiac G8 owners should be aware of the common symptoms and causes of transmission overheating to prevent potential issues and ensure their trucks remain strong and reliable. In this article, we will discuss the common causes … Read more

Pontiac G8: SRS On Diagnosis

  When you start your Pontiac G8, the OBD-II system runs a self diagnostic check on all major systems.  If any of these checks fail, you will see a diagnostic warning light on the dash for the corresponding system.  When the SRS system fails this check, you’ll see the SRS light.  SRS stands for supplemental … Read more

Pontiac G8 P1682: Ignition 1 Switch → Circuit 2

  P1682 is a diagnostic trouble code that indicates that your Pontiac G8’s ignition switch is having a voltage problem.  It is typically caused by a faulty ignition switch, although there can be other causes as well. There are two “circuits” to the ignition switch.  The first one goes to the ECM through the throttle … Read more

Pontiac G8 Radiator Leak: Symptoms, Causes, Fix

A leaking radiator in a Pontiac G8 can cause the vehicle to overheat, resulting in costly engine damage if not addressed promptly. This can include a bad head gasket or a cracked head, which can have long-term consequences for the vehicle. Identifying the symptoms of a radiator leak in your G8 will help you take … Read more

Pontiac G8 Leaking Heater Core Diagnosis

One of the most common problems that can happen to a vehicle is a heater core leak.  If your Pontiac G8 has a leaking heater core, it is not a breakdown risk.  Although, it is necessary to make sure that the lost coolant is replaced.  It can cause damage to the vehicle in other ways, … Read more

Pontiac G8 Bad Starter → Symptoms & Diagnosis

  One of the most common problems that can occur in the life of a vehicle is a bad starter, that includes the Pontiac G8.  It is important to determine whether or not it’s a bad starter that is keeping the vehicle from turning over. If your G8 is not starting, don’t assume right away … Read more